Southern Company
The Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity. The company develops, constructs, acquires, owns, and manages power generation assets, including renewable energy projects and sells electricity in the wholesale market; distributes natural gas in Illinois, Georgia, Virginia, and Tennessee; operates, constructs, and maintains … Read more
Market Cap & Net Worth: Southern Company (SO)
Southern Company (NYSE:SO) has a market capitalization of $109.13 Billion ($109.13 Billion) as of March 18, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #204 globally and #161 in its home market, demonstrating a 1.67% increase in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying Southern Company's stock price $99.11 by its total outstanding shares 1101104843 (1.10 Billion).
Southern Company Market Cap History: 2015 to 2026
Southern Company's market capitalization history from 2015 to 2026. Data shows growth from $35.00 Billion to $109.13 Billion (11.86% CAGR).
Index Memberships
Southern Company is a constituent of 5 market indices:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
Dow Jones Composite Average
DJA
|
$15.45 Trillion | 0.63% | #27 of 65 |
|
DJC: Dow Jones-UBS Commodity Index
DJC
|
$21.30 Trillion | 0.91% | #29 of 65 |
|
Dow Jones Utility
DJU
|
$915.96 Billion | 6.87% | #2 of 15 |
|
S&P 500 Index
GSPC
|
$53.10 Trillion | 0.22% | #106 of 503 |
|
S&P 100
OEX
|
$37.25 Trillion | 0.31% | #78 of 101 |
Weight: Southern Company's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
Southern Company Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how Southern Company's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.
Latest Price to Sales (P/S) Ratio
3.39x
Southern Company's market cap is 3.39 times its annual revenue
0.40x
Higher than industry averageLatest Price to Earnings (P/E) Ratio
20.60x
Southern Company's market cap is 20.60 times its annual earnings
3.06x
Higher than industry averageWhat These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2015 | $35.00 Billion | $17.49 Billion | $2.42 Billion | 2.00x | 14.46x |
| 2016 | $38.47 Billion | $19.90 Billion | $2.49 Billion | 1.93x | 15.43x |
| 2017 | $39.40 Billion | $23.03 Billion | $880.00 Million | 1.71x | 44.77x |
| 2018 | $37.92 Billion | $23.50 Billion | $2.24 Billion | 1.61x | 16.91x |
| 2019 | $57.50 Billion | $21.42 Billion | $4.75 Billion | 2.68x | 12.10x |
| 2020 | $57.87 Billion | $20.38 Billion | $3.13 Billion | 2.84x | 18.46x |
| 2021 | $67.31 Billion | $23.11 Billion | $2.41 Billion | 2.91x | 27.95x |
| 2022 | $72.86 Billion | $29.28 Billion | $3.54 Billion | 2.49x | 20.61x |
| 2023 | $74.47 Billion | $25.25 Billion | $3.98 Billion | 2.95x | 18.73x |
| 2024 | $90.64 Billion | $26.72 Billion | $4.40 Billion | 3.39x | 20.60x |
Competitor Companies of SO by Market Capitalization
Companies near Southern Company in the global market cap rankings as of March 18, 2026.
Key companies related to Southern Company by market ranking:
- Nextera Energy Inc (NYSE:NEE): Ranked #76 globally with a market cap of $193.52 Billion USD.
- NATIONAL GRID CEDEAR EACH REP 1 (BA:NGG): Ranked #144 globally with a market cap of $127.42 Billion USD ( AR$132.53 Trillion ARS).
- Duke Energy Corporation (NYSE:DUK): Ranked #211 globally with a market cap of $96.16 Billion USD.
- American Electric Power Co Inc (NASDAQ:AEP): Ranked #299 globally with a market cap of $71.56 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #76 | Nextera Energy Inc | NYSE:NEE | $193.52 Billion | $92.82 |
| #144 | NATIONAL GRID CEDEAR EACH REP 1 | BA:NGG | $127.42 Billion | AR$66725.00 |
| #211 | Duke Energy Corporation | NYSE:DUK | $96.16 Billion | $133.46 |
| #299 | American Electric Power Co Inc | NASDAQ:AEP | $71.56 Billion | $134.15 |
Southern Company Historical Marketcap From 2015 to 2026
Between 2015 and today, Southern Company's market cap moved from $35.00 Billion to $ 109.13 Billion, with a yearly change of 11.86%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $109.13 Billion | +13.66% |
| 2025 | $96.02 Billion | +5.93% |
| 2024 | $90.64 Billion | +21.72% |
| 2023 | $74.47 Billion | +2.21% |
| 2022 | $72.86 Billion | +8.24% |
| 2021 | $67.31 Billion | +16.32% |
| 2020 | $57.87 Billion | +0.63% |
| 2019 | $57.50 Billion | +51.65% |
| 2018 | $37.92 Billion | -3.75% |
| 2017 | $39.40 Billion | +2.42% |
| 2016 | $38.47 Billion | +9.92% |
| 2015 | $35.00 Billion | -- |
End of Day Market Cap According to Different Sources
On Mar 17th, 2026 the market cap of Southern Company was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $109.13 Billion USD |
| MoneyControl | $109.13 Billion USD |
| MarketWatch | $109.13 Billion USD |
| marketcap.company | $109.13 Billion USD |
| Reuters | $109.13 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.